.page-home {
  --home-gutter: 20px;
  background: var(--paper);
  color: var(--ink);
}

.page-home .kit-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-home .kit-section__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--brass);
}

.page-home .kit-section__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--teal-900);
}

.page-home p {
  margin: 0;
}

/* ---------------- 首屏 ---------------- */
.home-hero {
  position: relative;
  padding: 26px 0 40px;
  background:
    linear-gradient(180deg, rgba(168, 203, 214, 0.28), rgba(245, 241, 232, 0) 62%),
    var(--paper);
}

.home-hero__grid {
  display: grid;
  gap: 30px;
}

.home-hero__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--teal-700);
}

.home-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 38px;
  line-height: 1.14;
  letter-spacing: 0.04em;
  color: var(--teal-900);
}

.home-hero__lede {
  margin-top: 16px;
  max-width: var(--measure);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.home-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  box-shadow: -8px 8px 0 rgba(215, 203, 180, 0.6);
}

.home-routes {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.home-route {
  border-bottom: 1px solid var(--line);
}

.home-route__link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 2px 12px;
  padding: 14px 4px;
  text-decoration: none;
  color: inherit;
  transition: background 200ms ease-out, padding-left 200ms ease-out;
}

.home-route__link:hover,
.home-route__link:focus-visible {
  background: rgba(168, 203, 214, 0.22);
  padding-left: 10px;
}

.home-route__no {
  grid-row: 1 / span 2;
  font-size: 12px;
  color: var(--brass);
  padding-top: 4px;
}

.home-route__name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.home-route__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------------- 三步动线 ---------------- */
.home-path {
  padding: 44px 0 48px;
  background: linear-gradient(180deg, rgba(239, 230, 214, 0.7), rgba(245, 241, 232, 0));
}

.home-path__grid {
  display: grid;
  gap: 20px;
}

.home-path__rail {
  position: relative;
  min-height: 2px;
}

.home-path__lede {
  margin-top: 14px;
  max-width: var(--measure);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.home-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.home-step {
  position: relative;
  padding-left: 48px;
}

.home-step::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 36px;
  bottom: -20px;
  width: 1px;
  background: linear-gradient(180deg, var(--brass), rgba(215, 203, 180, 0.2));
}

.home-step:last-child::before {
  display: none;
}

.home-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border: 1px solid var(--brass);
  border-radius: 50%;
  background: var(--paper);
  color: var(--brass);
  font-size: 13px;
}

.home-step__title {
  margin: 2px 0 8px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--teal-900);
}

.home-step p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.home-path__cta {
  margin-top: 28px;
}

/* ---------------- 标签卷轴 ---------------- */
.home-tags {
  padding: 44px 0 52px;
}

.home-tags__lede {
  margin-top: 14px;
  max-width: var(--measure);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.home-tags__figure {
  margin: 26px 0 0;
}

.home-tagscroll {
  list-style: none;
  display: flex;
  gap: 10px;
  margin: 0 0 0 calc(var(--home-gutter) * -1);
  padding: 6px var(--home-gutter) 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--line);
}

.home-tagscroll:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: -2px;
}

.home-tagscroll::-webkit-scrollbar {
  height: 6px;
}

.home-tagscroll::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 3px;
}

.home-tagscroll li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.home-tagscroll .kit-tag {
  display: inline-block;
  padding: 9px 16px;
  font-size: 15px;
  text-decoration: none;
  white-space: nowrap;
}

.home-tags__hint {
  margin-top: 14px;
  max-width: var(--measure);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------------- 批次区块 ---------------- */
.home-batch {
  position: relative;
  overflow: hidden;
  margin: 12px 0 0;
  padding: 46px 0 52px;
  background: linear-gradient(135deg, var(--teal-900) 0%, var(--teal-700) 58%, #1d6a84 100%);
  color: var(--paper);
}

.home-batch::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -46%;
  width: 78%;
  height: 340px;
  background: radial-gradient(closest-side, rgba(192, 138, 46, 0.32), rgba(192, 138, 46, 0));
  pointer-events: none;
}

.home-batch__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}

.home-batch__media {
  margin: 0;
  border: 1px solid rgba(245, 241, 232, 0.28);
  box-shadow: 8px 8px 0 rgba(14, 58, 79, 0.45);
}

.home-batch__body .kit-section__title {
  color: var(--paper);
}

.home-batch__body .kit-section__index {
  color: var(--flag-yellow);
}

.home-batch__body > p {
  margin-top: 14px;
  max-width: var(--measure);
  font-size: 15px;
  line-height: 1.9;
  color: rgba(245, 241, 232, 0.82);
}

.home-batch__fold {
  margin-top: 24px;
  border-top: 1px solid rgba(245, 241, 232, 0.25);
  border-bottom: 1px solid rgba(245, 241, 232, 0.25);
}

.home-batch__fold .kit-fold__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  width: 100%;
  padding: 18px 0;
  background: none;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.home-batch__fold .kit-fold__head:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

.kit-fold__marker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--teal-300);
}

.home-batch__num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 58px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--brass);
}

.home-batch__fold .kit-fold__title {
  font-size: 14px;
  color: rgba(245, 241, 232, 0.86);
  border-bottom: 1px dashed rgba(245, 241, 232, 0.5);
  padding-bottom: 2px;
}

.home-batch__fold .kit-fold__panel p {
  padding: 0 0 20px;
  max-width: var(--measure);
  font-size: 14px;
  line-height: 1.85;
  color: rgba(245, 241, 232, 0.82);
}

.home-batch__cta {
  margin-top: 26px;
}

/* ---------------- 跨设备继续 ---------------- */
.home-sync {
  padding: 48px 0 52px;
}

.home-sync__grid {
  display: grid;
  gap: 28px;
}

.home-sync__body > p {
  margin-top: 14px;
  max-width: var(--measure);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.home-sync__media {
  margin: 0;
  border: 1px solid var(--line);
}

.home-stats {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.home-stat {
  background: var(--parchment);
  border: 1px solid var(--line);
  border-top: 3px solid var(--brass);
}

.home-stat--green {
  border-top-color: var(--flag-green);
}

.home-stat .kit-fold__head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  padding: 18px 18px 16px;
  background: none;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.home-stat .kit-fold__head:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

.home-stat__num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 34px;
  line-height: 1.1;
  color: var(--teal-900);
}

.home-stat__label {
  font-size: 14px;
  color: var(--ink-soft);
}

.home-stat .kit-fold__panel p {
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.home-sync__cta {
  margin-top: 26px;
}

/* ---------------- 本地节点 ---------------- */
.home-node {
  padding: 44px 0 48px;
  background: linear-gradient(180deg, rgba(168, 203, 214, 0.24), rgba(245, 241, 232, 0));
}

.home-node__lede {
  margin-top: 14px;
  max-width: var(--measure);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.home-node__steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.home-node__step {
  position: relative;
  padding: 16px 18px 16px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal-300);
}

.home-node__step--key {
  border-left-color: var(--brass);
  background: var(--parchment);
  box-shadow: 4px 4px 0 rgba(215, 203, 180, 0.6);
}

.home-node__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--brass);
  margin-bottom: 6px;
}

.home-node__step p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.home-node__cta {
  margin-top: 26px;
}

/* ---------------- 信任收束 ---------------- */
.home-trust {
  padding: 48px 0 44px;
  background: linear-gradient(180deg, rgba(239, 230, 214, 0.85), rgba(239, 230, 214, 0.3));
}

.home-trust__grid {
  display: grid;
  gap: 26px;
}

.home-trust__body > p {
  margin-top: 14px;
  max-width: var(--measure);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.home-trust__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.home-trust__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.home-trust__k {
  min-width: 46px;
  color: var(--ink-soft);
}

.home-trust__list .kit-mono {
  color: var(--teal-900);
  word-break: break-all;
}

.home-trust__more {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.home-trust__side {
  padding: 22px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--brass);
  box-shadow: 6px 6px 0 rgba(215, 203, 180, 0.55);
}

.home-trust__quote {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--teal-900);
}

.home-trust__sign {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

/* ---------------- 页内返回 ---------------- */
.home-footnote {
  padding: 22px 0 40px;
  text-align: right;
}

.home-footnote__link {
  font-size: 13px;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.home-footnote__link:hover,
.home-footnote__link:focus-visible {
  color: var(--brass);
  border-bottom-color: var(--brass);
}

/* ---------------- 响应式 ---------------- */
@media (min-width: 720px) {
  .page-home {
    --home-gutter: 32px;
  }

  .home-hero__title {
    font-size: 52px;
  }

  .home-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-node__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .home-hero {
    padding: 40px 0 56px;
  }

  .home-hero__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 64px;
    align-items: start;
  }

  .home-hero__title {
    font-size: 64px;
  }

  .home-hero__media {
    position: sticky;
    top: 132px;
  }

  .home-path__grid {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .home-path__rail {
    position: sticky;
    top: 140px;
    min-height: 180px;
  }

  .home-path__rail::after {
    content: "";
    position: absolute;
    left: 8px;
    top: 34px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--brass), var(--flag-green) 42%, var(--flag-red) 68%, var(--teal-300));
    opacity: 0.75;
  }

  .home-batch__grid {
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
  }

  .home-batch__num {
    font-size: 96px;
  }

  .home-sync__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
    gap: 56px;
    align-items: start;
  }

  .home-trust__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 52px;
    align-items: start;
  }

  .home-trust__side {
    position: sticky;
    top: 140px;
  }
}